Bolster system



FIG. 1 is a top perspective view of bolster system showing our newdesign;

FIG. 2 is an enlarged top perspective view thereof, shown in use withair mattress bladders inserted into the bolster system;

FIG. 3 is a front view, showing a person lying on an air mattress;

FIG. 4 is a rear view;

FIGS. 5 and 6 are enlarged left and right views, respectively, showingthe straps in an alternate position; and,

FIGS. 7 and 8 are reduced top and bottom views thereof, respectively, ofthe design according to the present invention.

Elements of the drawings shown in broken lines do not constitute a partof the claimed invention.

The ornamental design for bolster system, as shown and described.